John Pratt, 1st Marquess Camden

The Marquess Camden
Portrait by William Salter
Lord Lieutenant of Ireland
In office
13 March 1795 – 14 June 1798
MonarchGeorge III
Prime MinisterWilliam Pitt the Younger
Preceded byThe Earl Fitzwilliam
Succeeded byThe Marquess Cornwallis
Secretary of State for War
and the Colonies
In office
14 May 1804 – 10 July 1805
MonarchGeorge III
Prime MinisterWilliam Pitt the Younger
Preceded byLord Hobart
Succeeded byViscount Castlereagh
Lord President of the Council
In office
10 July 1805 – 19 February 1806
MonarchGeorge III
Prime MinisterWilliam Pitt the Younger
Preceded byViscount Sidmouth
Succeeded byThe Earl Fitzwilliam
In office
26 March 1807 – 8 April 1812
MonarchGeorge III
Prime MinisterThe Duke of Portland
Spencer Perceval
Preceded byViscount Sidmouth
Succeeded byViscount Sidmouth
Member of Parliament
for Bath
In office
1780–1794
Preceded bySir John Sebright, Bt
Succeeded bySir Richard Arden
Personal details
Born11 February 1759 (1759-02-11)
Lincoln's Inn Fields, London
Died8 October 1840 (1840-10-09) (aged 81)
Seale, Surrey
NationalityBritish
Political partyTory
Spouse(s)Frances Molesworth
(d. 1829)
Alma materTrinity College, Cambridge

John Jeffreys Pratt, 1st Marquess Camden, KG, PC, FSA (11 February 1759 – 8 October 1840), styled Viscount Bayham from 1786 to 1794 and known as the 2nd Earl Camden from 1794 to 1812, was a British politician. He served as Lord Lieutenant of Ireland in the revolutionary years 1795 to 1798 and as Secretary of State for War and the Colonies between 1804 and 1805.